.class-invitation-panel {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1rem;
    margin: 0 1.5rem 1.25rem;
    padding: 1rem 1.1rem;
    border: 1px solid #a7f3d0;
    border-radius: 16px;
    background: linear-gradient(135deg, #ecfdf5, #eff6ff);
    color: #17324f;
}

.class-invitation-panel[hidden] {
    display: none;
}

.class-invitation-panel__icon {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 13px;
    background: linear-gradient(135deg, #3b82f6, #10b981);
    color: #fff;
    font-size: 1.1rem;
}

.class-invitation-panel h3,
.class-invitation-panel p {
    margin: 0;
}

.class-invitation-panel h3 {
    margin-top: 0.25rem;
    font-size: 1rem;
}

.class-invitation-panel > div > p:not(.section-kicker) {
    margin-top: 0.3rem;
    color: #52677e;
    font-size: 0.78rem;
    line-height: 1.5;
}

.class-invitation-panel__existing {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.8rem;
    margin-top: 0.9rem;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(59, 130, 246, 0.18);
    font-size: 0.75rem;
}

.class-invitation-panel__existing span {
    flex: 1 1 260px;
    color: #5b6e82;
}

@media (max-width: 620px) {
    .class-invitation-panel {
        grid-template-columns: 1fr;
        margin-right: 1rem;
        margin-left: 1rem;
    }
}